Buckle WH in native Feldggray paint manufacturer KJ-37

[Makalash]

Hi guys ! The question is for the buckle manufacturer !? Who can tell by manufacturer?
Best regards!

[BrodieBartfast]

The maker would be Kollmar & Jourdan AG, Pforzheim, according to a reference list I found on another forum.

Regards, B.B.

[ivanjoaquin]

Yes, the maker is Kollmar & Jourdan, 1937 dated as usually, a rare bird
Wh kj 1937